package com.lkd.job;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.lkd.common.VMSystem;
import com.lkd.entity.VendingMachineEntity;
import com.lkd.service.VendingMachineService;
import com.xxl.job.core.biz.model.ReturnT;
import com.xxl.job.core.handler.annotation.XxlJob;
import com.xxl.job.core.log.XxlJobLogger;
import com.xxl.job.core.util.ShardingUtil;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.List;

@Component
@Slf4j
public class SupplyJob {
    @Autowired
    private VendingMachineService vmService;
    /**
     * 售货机扫描任务
     * @param param
     * @return
     * @throws Exception
     */
    @XxlJob("supplyJobHandler")
    public ReturnT<String> supplyJobHandler(String param) throws Exception{

        ShardingUtil.ShardingVO shardingVo = ShardingUtil.getShardingVo();
        int total = shardingVo.getTotal(); //分片总数
        int index = shardingVo.getIndex(); //当前分片索引
        log.info("分片参数  当前分片索引{}    总分片数{}",index,total);
        XxlJobLogger.log("分片参数  当前分片索引"+index+"  分片总数"+total);

        QueryWrapper<VendingMachineEntity> wrapper = new QueryWrapper<>();
        wrapper.lambda()
                .eq(VendingMachineEntity::getVmStatus, VMSystem.VM_STATUS_RUNNING)
                .apply("mod(id,"+total+") = "+index); //对id取模
        List<VendingMachineEntity> vmList = vmService.list(wrapper);
        vmList.forEach(vm -> {
            XxlJobLogger.log("扫描售货机"+vm.getInnerCode());
            vmService.sendSupplyTask(vm.getInnerCode());
        });
        return ReturnT.SUCCESS;
    }
}
